2009094950

素因数分解:

$2^1\times 5^2\times {\mathrm{1999}}^1\times {\mathrm{20101}}^1$

素因数の和:22112

約数の個数: 24

約数和(自身を含む): 3738972000

約数和(自身を除く): 1729877050

約数列:

[1, 2, 5, 10, 25, 50, 1999, 3998, 9995, 19990, 20101, 40202, 49975, 99950, 100505, 201010, 502525, 1005050, 40181899, 80363798, 200909495, 401818990, 1004547475, 2009094950]

約数ペア:

[(1, 2009094950), (2, 1004547475), (5, 401818990), (10, 200909495), (25, 80363798), (50, 40181899), (1999, 1005050), (3998, 502525), (9995, 201010), (19990, 100505), (20101, 99950), (40202, 49975)]